Platinum group

Meaning

Noun

●

In Types of chemical element:

In

chemistry,

a

group

of

elements

with

related

properties

similar

to

that

of

platinum,

notably

high

resistance

to

chemical

activity,

particularly

oxidation

and

reaction

with

acids.

The

platinum

group

consists

of

the

elements

ruthenium,

rhodium,

palladium,

osmium,

iridium,

and

platinum.

In

the

periodic

table

of

the

elements

they

are

in

period

5

or

6

and

in

groups

8,

9

or

10.

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